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प्रश्न
Fill in the following blank with suitable word :
The male organ of reproduction in the flower is the.......... .
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उत्तर
The male sex organ of a flower is stamen.
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संबंधित प्रश्न
How does fertilisation occur in flowers? Name the parts of the flower that develop into (i) seed, and (ii) fruit after fertilisation.
In the following diagram showing the structure of embryo of a dicot seed, what are the parts marked I, II and III sequentially?
Give one example of a unisexual flower.
Draw a neat sketch of the carpel of a flower. Mark in it stigma, style and ovary.
What is made in anther of a flower?
How do the insects help in cross-pollination?
The flask-shaped organ A at the centre of a flower is surrounded by a number of little stalks B having swollen tops which lie just inside the ring of petals.
(a) Name A. What are the various parts of A?
(b) Which part of A contains gametes?
(c) Name B. What is the swollen top of B known as?
(d) What does the swollen top of b contain?
(e) Out of A and B, which one is (i) male part, and (ii) female part of the flower?
Draw a diagram of the longitudinal section of a flower exhibiting germination of pollen on stigma and label (i) ovary, (ii) male germ-cell, (iii) female germ-cell and (iv) ovule on it.
Explain sexual reproduction in plants.
__________ is present in unisexual flower.
Find an odd one out.
Define.
Inflorescence
Draw a neat and labelled diagram.
Double fertilization in angiosperms
Match the following
| 1. | Petal | Opuntia |
| 2. | Fern | Chrysanthemum |
| 3. | Phylloclade | Attracts insect |
| 4. | Hooks | Spore |
| 5. | Sucker | Bignonia |
The anther wall consists of four wall layers where ______
Pineapple fruit develops from ______.
In human beings, fertilization occurs in the ______
Pollen grains are produced by ______
Length of pollen tube depends on the distance between ______
Trace the path a male gamete takes to fertilise a female gamete after being released from the penis.
